• The Korea Journal of Herbology
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• v.25 no.4
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• pp.161-169
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• 2010

Objectives & Methods : To compare the medicinal herbs between Ayurvedic medicine and traditional Korean medicine(TKM), we took reference of major publications related to Ayurvedic medicinal herbs such as Indian Herbal Remedies, Prime Ayurvedic Plant Drugs, with those of TKM. We selected most widely used 130 herbal species of Ayurvedic medicine and compared the similarities and differences with TKM. Comparative factors were the origin, habitation, synonyms, usage, medicinal parts, and precautions. Results : 1. The medicinal herbs Resinatum Lignum(沈香), Arecae Pericarpium(大腹皮), Arecae Semen(檳榔), Carthami Flos (紅花), Camphorum(樟腦), Crotonis Semen(巴豆), Curculiginis Rhizoma(仙茅) used in TKM did exactly correlate in their origins with those of Ayurvedic medicine. 2. Varieties of allied species were found in their origins. Benincasae Pericarpium(冬瓜皮), and Benincasae Semen(冬瓜子) derive from the same plant Benincasa hispida Cogn. for both Ayurvedic medicine and TKM. Interestingly, B. cerifera Savi. is also claimed for same uses in Ayurvedic medicine. This broadened use of allied species is found in various Ayurvedic herbal medicine such as Cannabis Semen(火麻仁) using Cannabis indica Lam., and Curcuma Longae Rhizoma(薑黃) using Curcuma domestica Valeton. This suggests the possibility of their usage also in TKM. 3. Myrrha(沒藥), and Curculiginis Rhizoma concorded their usage with TKM. While Arecae Pericarpium(大腹皮), Arecae Semen(檳榔), Aquilariae Resinatum Lignum(沈香), Pericarpium(冬瓜皮), Benincasae Semen(冬瓜子), Cannabis Semen(火麻仁), Carthami Flos(紅花), Camphorum(樟腦), Crotonis Semen(巴豆), Curcumae Radix(鬱金), Curcuma Longae Rhizoma(薑黃) and Zedoariae Rhizoma(莪朮) revealed varied efficacies according to their part used or usage forms. Conclusion : Both Ayurvedic medicine and TKM reflect the traditional medicine of its regions where is founded. Mutual understanding improves the capability of coping of diverse ailments of present days and also replacing some plants in the days of increasing threat to our environment. Abundant external applications of various plants found in Ayurvedic medicine were particularly useful for TKM to complement its strength in herbal intake.

• The Journal of Internal Korean Medicine
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• v.25 no.1
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• pp.16-27
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• 2004

In the traditional Chinese medicine, Drynariae Rhizoma (DR) has been reported as a good enhancer for bone healing. DR, a plant widely used in the traditional medicinal systems of Korea, has been reported to possess antiviral, antibacterial and anti-inflammatory activities. Modulation of immune response to alleviate disease has been of interest for a long time. Plant extracts have been widely investigated for possible immunomodulatory properties. Thus, I have evaluated the anticellular and immunomodulatory properties of ethanolic extract of DR. DR extract inhibited proliferation of mitogen (phytohaemagglutinin; PHA) and antigen (purified protein derivative; PPD)-stimulated human peripheral blood mononuclear cells (PBMCs). In addition, DR inhibited growth of several cell lines of mouse and human origin. It also inhibited production of nitric oxide (NO), interleukin-2 (IL-2) and tumor necrosis $factor-{\alpha}\;(TNF-{\alpha})$. Intracytoplasmic $interferon-{\gamma}\;(IFN-{\gamma})$ and expression of cell surface markers, CD16 and HLA-DR, on human PBMC, were not affected on treatment with DR but CD25 expression was down regulated. This study demonstrates the antiproliferative and immunosuppressive potential of ethanolic extract of DR in vitro.

• Korean Journal of Soil Science and Fertilizer
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• v.37 no.2
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• pp.55-58
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• 2004

The objective of this study was to get information about water retention characteristics of horticultural substrates used in Korea determined by European standard method. Water retention curves were prepared at water volume (v/v, %) in relation to -10 cm, -50 cm, -100 cm water pressure head. Water retention curves showed different properties depending upon the type, the place of origin, particle size, and manufacturing processes of substrates. Peat and coir had easily available water content in the range of 30-40% and showed high water holding capacity, water buffering capacity, and aeration for plant growth. However, bark, sawdust and rice hull showed low water holding capacity about below 10%. The easily available water content of perlite and clay ball was low about 0.1-13.8%, whereas that of vermiculite and rockwool granulate was high about 25.9-52.0%. Understanding water retention characteristics of growing substrates is very important in cstablisliing optimum condition for plant growth. Further study on water retention curves for more substrates, mixture and growing media is needed.

• Journal of Life Science
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• v.25 no.11
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• pp.1244-1254
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• 2015

Naturalized plants were identified and recorded in Busan city based on field surveys and related literature. These plants consisted of 156 taxa in total, belonging to 31 families, 95 genera, 147 species, and 9 varieties. The Compositae had the highest diversity among 31 families, with 44 taxa, followed by Gramineae, with 24 taxa, and Leguminosae, with 10 taxa Among the plants, 68.6% (107 taxa) were annuals and biennials, and 30.1% (47 taxa) were perennials. There was one shrub (Amorpha fruticosa) and one tree (Robinia pseudoacacia). Naturalized degree 5 plants, as common and abundant plant, founded 26 taxa (96.3%) were most highly ratio from Korean naturalized plants. According to the results of the analysis based on place of origin, 50 (32.1%) taxa were from Europe, and 48 (30.8%) taxa were from North America. Epecophyten was the most common of the naturalized plants, with 123 taxa Sixty-six (42.3%) taxa were introduced during period 1, and 15 (9.6%) were introduced during period 4. Ergasiophygophyten (50.6%) and Kenophyten (32.1%) were the dominant plants in these introduction periods. In conclusion, Busan city acts as a conduit for the introduction of naturalized plants. A sustainable management and monitoring strategy may be needed to prevent the introduction and naturalization of plants.

• Korean Journal of Plant Resources
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• v.27 no.5
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• pp.401-414
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• 2014

In an attempt to evaluate licorice quality based on its biological activity, we grafted an on-line high-performance liquid chromatography (HPLC) bioassay method into the previously established HPLC analysis method. The common antioxidant peaks in licorices of various origin were observed through an on-line HPLC/DPPH system leading to a decrease in absorbance at 517 nm for 2,2-diphenyl-1-picrylhydrazyl (DPPH). Among them, the licorice from Youngju possessed the highest activity. Therefore, three active standard compounds from the dehydroglyasperin C, dehydroglyasperin D, and isoangustone A, were isolated and elucidated by medium pressure liquid chromatography (MPLC) and instrumental analysis such as nuclear magnetic resonance (NMR), respectively. On-line HPLC/ABTS analysis method with the simultaneous determination of three standard compounds and their radical scavenging activity was established for the quality evaluation of licorices. 2,2'-azinobis-3-ethylbenzothiazoline-6-sulfonic acid radicals (ABTS) which is stable and effective was used in replace of DPPH. The radical scavenging activity of three standards is compared with that of Trolox, known as antioxidant, showing a negative peak with a decrease in absorbance at 734 nm for ABTS. This on-line HPLC/ABTS analysis method was validated for specificity, linearity, precision and accuracy in compliance with international conference on harmonization (ICH) guideline.

• Korean Journal of Plant Resources
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• v.33 no.4
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• pp.287-292
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• 2020

Lathyrus palustris often used as a treatment for inflammation of the kidneys in Korean traditional medication. Generally, drugs for arthritis have anti-inflammatory and antinociceptive properties. However, the validity of the anti-inflammatory effect has not been scientifically investigated so far. Therefore, the purpose of the research was to investigate the latent anti-inflammatory ability of L. palustris using the ethanol extract. To evaluate the anti-inflammatory activities, we examined the inflammatory arbitrators such as a nitric oxide (NO) and prostaglandin E₂ (PGE₂) on RAW 264.7 cells. Our results indicated that ethanol extract significantly inhibited the lipopolysaccharide E (LPS) derived PGE₂ production in RAW 264.7 cell. The inhibitory activity of ethanol extract for PGE₂ tests with inhibition ratio showed in 40 ㎍/mL. Overall, PGE₂ tests had a higher inhibitory effect on inflammation than NO tests. This result anticipated that the ethanol extract from L. palustris is a good candidate for developing the origin of anti-inflammatory agents.

• Korean Journal of Plant Resources
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• v.33 no.4
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• pp.293-302
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• 2020

Morphological characteristics of Ziziphus jujuba accessions, including 'Ilbon', were investigated to verify the possibility of 'Ilbon' as a breeding material. 'Ilbon' has smaller leaves and fruits and a lower total soluble solids content compared to the major Z. jujuba accessions. However, total polyphenol content and antioxidant capacity were highest in 'Ilbon' among the Z. jujuba accessions. In addition, 'Ilbon' could produce intact seeds and seed productivity of 'Ilbon' was highest compared with major Z. jujuba accessions. Principal component analysis and clustering analysis using the morphological characteristics of Z. jujuba accessions have been classified them to geographical origin. In particular, 'Ilbon' was clearly distinguished from the major Z. jujuba accessions. Therefore, 'Ilbon', which has the highest seed productivity and functional component, will be used as a material for cross breeding and will promote genetic study of Z. jujuba.

• Korean Journal of Plant Taxonomy
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• v.39 no.1
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• pp.35-41
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• 2009

Astilbe (Saxifragaceae) is a genus well known for its disjunctive distribution in Asia and eastern North America. In this study, we reconstructed a molecular phylogeny of the genus using the sequences of ITS regions of nuclear ribosomal DNA. A total of 17 species representing major lineage of Astilbe and closely related taxa were included in the phylogenetic analyses. We obtained a Bayesian phylogenetic tree in which Saxifragopsis was positioned as a sister group to Astilbe. The Japanese endemic species, A.platyphylla was the most basal lineage within the genus. This species is well known for its distinct morphological features such as unisexual flowers, apetaly, and calyx with 7-11 lobes. Two species, A. biternata, a New World representative of the genus, and A. rivularis widely distributed in S. Asia, branched off early in the evolution of Astilbe. The remaining species formed a strongly supported core clade, which diverged into two robust geographical lineages: the first ("Japonica" clade) of species distributed in Japan, Taiwan, and Philippines and the other ("Rubra" clade), of taxa in China and Korea. The ITS phylogeny indicates that the Bering land bridges were the major route for the origin and dispersal of A. biternata. The two Taiwanese taxa and A. philippinensis were found to derive from the Japanese member, as the genus advanced southwards. The ITS phylogeny suggests that apetaly originated independently at least two times within the genus. Our results do not support Engler's classification system of the genus based on the leaf type (simple vs. compound), but reaffirm Hara's taxonomic idea which primarily considered the features of calyx.

• Horticultural Science & Technology
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• v.32 no.6
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• pp.853-863
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• 2014

This study was carried out to construct a DNA profile database of 100 strawberry cultivars using microsatellite markers. Two hundred seventy four microsatellite primer pairs were screened with a set of 21 strawberry cultivars with different morphological traits. Twenty five primer pairs were selected because they produced reliable and reproducible fingerprints. These primer pairs were used to develop DNA profiles of 100 strawberry cultivars. Three to thirteen alleles were detected by each marker with an average of 7.50. The average polymorphism information content varied from 0.331 to 841 (average 0.706). Cluster analysis showed that the 100 cultivars were divided into 7 major groups reflecting geographic origin and pedigree information. Moreover, most of the cultivars could be discriminated by marker genotypes. These markers will be useful as a tool for the protection of plant breeders' intellectual property rights in addition to providing the means to intervene seed disputes relating to variety authentication.

• Journal of Environmental Impact Assessment
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• v.23 no.4
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• pp.315-322
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• 2014

After the modern industrial revolution, rivers in cities became covered and disappeared due to the pressure to develop them. Likewise, their function which is to serve as the basis of natural ecology system in the cities began to be damaged. This research demonstrated that there are a total of 268 categories when it comes to the list of plants, including 64 families, 179 genera, 230 species, 36 varieties, and 1 subspecies. When the relative abundance of the plants that were found at the target research site was studied, the secondary survey demonstrated Bromus japonicus 22.97, Artemisia princeps var. orientalis 16.76 and Erigeron annuus 15.69 while third survey demonstrated Digitaria ciliaris 26.78, Ambrosia trifida 16.29 and Aster pilosus 14.31. There were 54 species of naturalized plants that appeared. Analysis demonstrated annual plant 23 classification category (43%), perennial 11 classification category (20%), multi-perennation 17 classification category (31%), woody plant 3 classification category (6%) and others. When the naturalized plants that were found at the target research site were analyzed by the place of origin, North America and EU took up 76%, which accounts for 3/4 of the all the naturalized plants. At the target research site, naturalization degree of 5 pertained to 22 classification category (41%), which was the highest, followed by 19 classification category (35%) with naturalization degree of 3, 8 classification category (15%) with naturalization degree of 2 and 5 classification category (9%) with naturalization degree of 4 in the order mentioned. Flora of Jungnangcheon did not manifest any change compared to 10 years ago. Thus, it is necessary to increase of biodiversity efforts to improve SeoulCity's natural environment and cityscape.